4221242421223 has 16 divisors (see below), whose sum is σ = 4477335842880. Its totient is φ = 3966015453696.

The previous prime is 4221242421217. The next prime is 4221242421281. The reversal of 4221242421223 is 3221242421224.

It is not a de Polignac number, because 4221242421223 - 2²⁹ = 4220705550311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221242421283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131778373 + ... + 131810401.

It is an arithmetic number, because the mean of its divisors is an integer number (279833490180).

Almost surely, 2^{4221242421223} is an apocalyptic number.

4221242421223 is a deficient number, since it is larger than the sum of its proper divisors (256093421657).

4221242421223 is a wasteful number, since it uses less digits than its factorization.

4221242421223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45306.

The product of its digits is 24576, while the sum is 31.

Adding to 4221242421223 its reverse (3221242421224), we get a palindrome (7442484842447).

Subtracting from 4221242421223 its reverse (3221242421224), we obtain a palindrome (999999999999).

The spelling of 4221242421223 in words is "four trillion, two hundred twenty-one billion, two hundred forty-two million, four hundred twenty-one thousand, two hundred twenty-three".